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How to read a TMemoField into a TMemo Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
28-Aug-02
Category
Reporting /Printing
Language
Delphi 2.x
Views
70
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Tomas Rutkauskas

I would like to read the lines from a memo field into my program using 
FieldByName().As. There does not seem to be any way to move the memo into a TString 
or TStringList or to access the memo field on a line by line basis. You can use a 
String or Variant. When you do this you get just one long composite string. Can you 
help?

Answer:

Almost every TStrings descendant has a LoadFromStream method:
1   
2   procedure TForm1.DataSource1DataChange(Sender: TObject; Field: TField);
3   var
4     TB: TBlobStream;
5   begin
6     with TDataSource(Sender).DataSet do
7       if (State = dsBrowse) then
8       begin
9         TB := TBlobStream.create(FieldByName('Event_Description') as TBlobField, 
10  bmRead);
11        Memo1.Lines.LoadFromStream(TB);
12        {or ListBox1.items.LoadFromStream(TB);}
13        {or StringList1.LoadFromStream(TB);}
14        TB.Free;
15      end;
16  end;


			
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